Forecast volumes and costs
On this page we provide a breakdown of operating margin (OPMR), based on forecast volume of reserve, forecast volume of frequency response required, annual weighting factors for STOR contracts, and forecasts of BSUoS charges.
Daily BSUoS Forecast 2018/19
Daily BSUoS Forecast 2017/18
Reserve requirement (OPMR)
The purpose of the Negative Reserve Active Power Margin (NRAPM) forecasting report is to indicate to the market a risk of NRAPM situation and therefore risk of Emergency Instructions.